all that exists in the physical world, such as space, planets, galaxies, etc.
a large number of star systems bound together by gravitational force
a branch of science that studies space, planets, etc.
Astronomy is the scientific study of celestial bodies like stars, planets, moons, and galaxies, as well as the phenomena that occur beyond Earth's atmosphere. It involves observing the universe to understand its origins, structure, and evolution. Astronomy not only helps us learn about the cosmos but also provides insights into the fundamental laws of physics and the potential for life beyond Earth.
a pale band of light seen in the sky at night that contains the solar system and billions of other stars
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the sun and the group of planets orbiting around it, including the earth
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the earth's atmosphere and the space beyond it
(physics) the universal force of attraction between any pair of objects with mass
a scientist who studies or observes planets, stars, and other happenings in the universe
a specific group of stars that form a pattern and have a name related to their shape
related to the sun
relating to the moon
the explosion that, according to most scientists, caused the existence of the universe
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a place in the space with such high gravity that pulls in everything, even light
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an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail
a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
a period during which the sun or the moon is shadowed by a dark circle
a creature that is believed to exist in other worlds or planets
an object sent into space to travel around the earth and send or receive information
to move around a star, planet, or a large object in space
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the action of circular movement around a fixed point
someone who is trained to travel and work in space
a vehicle designed to travel in space
an operation carried out in space
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to send an object, such as a satellite, missile, etc., into space
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a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world
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a long journey taken on a ship or spacecraft
a US government agency responsible for space travel and the study of space
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